SatNOGS vs Color Lab 255
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SatNOGS
Access a global network of satellite ground stations to communicate with satellites and observe their data. The platform is open to all, with public observation results freely distributed. Resources are available for building your own ground station.
- Global ground station network access
- Remote ground station operation
- Satellite communication
- Public observation data access
- Ground station building resources
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SatNOGS Network is a global management interface to facilitate multiple ground station operations remotely. An observer is able to take advantage of the full network of SatNOGS ground stations around the world. The network is open to anyone. Any observer is able to utilize all available Ground Stations and communicate with Satellites. All observations results are public and all data are distributed freely under the Creative Commons Atribution-Share Alike license. Whether you own satellite ground station equipment or you want to build one you can head to SatNOGS Project site to get up to date documentation and info on how to build a SatNOGS ground station. App functionality is currently limited by SatNOGS API and will be significantly improved in next major release.
Color Lab 255
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"Color Lab 255" is an educational game designed to help children learn RGB color composition through interactive gameplay. FEATURES: • Interactive RGB color matching - adjust Red, Green, and Blue sliders to match the target color • 5 difficulty levels: Easy, Medium, Hard, Master, and God mode • 15 customizable target shapes: Circle, Heart, Star, Cat, Dog, Cloud, Flame, Drop, Leaf, Sun, Moon, Snowflake, Balloon, Tortoise, and Hare • Educational RGB value display (0-255) for each color channel • Full dark mode support • COPPA compliant - safe for children • No ads, no in-app purchases, no data collection HOW TO PLAY: 1. Choose your difficulty level in Settings 2. Adjust the three color sliders (Red, Green, Blue) to match the target color 3. The closer your match, the higher your score 4. Learn how colors mix in the RGB color model (0-255 for each channel) DESIGNED FOR KIDS: "Color Lab 255" teaches fundamental color theory in a fun, engaging way. Perfect for children learning about primary colors, color mixing, and digital color representation. PRIVACY FIRST: • No personal data collection • No third-party tracking • No advertisements • Completely offline - no internet required • COPPA compliant Developed by MadJi Contact: hello@mladenraykov.com
Screenshots
Verdict
The clearest difference is update cadence: Color Lab 255 at every 2 days against SatNOGS's every 5 months. SatNOGS's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SatNOGS ships an update every 5 months, Color Lab 255 every 2 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.
| Parameter | SatNOGS | Color Lab 255 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 48 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Victor Belov | DESISLAVA YANEVA RAYKOVA |
In-app purchases
SatNOGS
No in-app purchases
Color Lab 255
No in-app purchases









